Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
矿井建设
井巷施工、矿山地面建筑和机电设备安装三类工程的总称
expl.
mine construction
矿井建设
tech.
shaft building
Add
|
Report an error
|
Get short URL
|
Language Selection Tips